+#define __packed __attribute__((packed))
+#define __weak __attribute__((weak))
+#define __naked __attribute__((naked))
+#define __noreturn __attribute__((noreturn))
+#define __pure __attribute__((pure))
+#define __aligned(x) __attribute__((aligned(x)))
+#define __printf(a,b) __attribute__((format(printf,a,b)))